For player in control of the robot: Say "Left" for a left punch. Say "Right" for a right punch. Say "Double Punch" for a double punch. Say "Rotate" to rotate the robot with its arms stretched out. Say "Rocket Punch" for a rocket punch. For the other three players: Use the control stick (or right thumb stick) on the Nintendo GameCube controller to move, the A button to jump, and to Ground Pound, press the A button twice.